| Similarity | Rank | |
|---|---|---|
| caverns | 0.915 | 37863 |
| cave | 0.862 | 7466 |
| caves | 0.781 | 13377 |
| subterranean | 0.779 | 33296 |
| outcropping | 0.771 | 80839 |
| passageway | 0.769 | 37937 |
| stalactites | 0.769 | 74724 |
| lair | 0.765 | 37907 |
| deeps | 0.759 | 90746 |
| lava | 0.758 | 17341 |
| catacombs | 0.753 | 65591 |
| stalagmites | 0.752 | 88860 |
| canyon | 0.749 | 15613 |
| ledge | 0.747 | 20622 |
| boulder | 0.747 | 25256 |
| crater | 0.746 | 20587 |
| chasms | 0.745 | 99102 |
| passageways | 0.738 | 51897 |
| grotto | 0.734 | 46493 |
| hollows | 0.733 | 54101 |
| trapdoor | 0.727 | 93707 |
| stairway | 0.726 | 29819 |
| porthole | 0.725 | 88448 |
| sunken | 0.721 | 29650 |
| boulders | 0.720 | 23635 |